ssh: add --user and --host argument

Extra arguments to allow quickly overriding the username and ip address
for the ssh call. Just in case you're connecting over wifi instead of
172.16.42.1

ssh.py

@@ -4,8 +4,10 @@ from logger import setup_logging, verbose_option
 
 
 @click.command(name='ssh')
+@click.option('--user', prompt='The SSH username', default='kupfer')
+@click.option('--host', prompt='The SSH host', default='172.16.42.1')
 @verbose_option
-def cmd_ssh(verbose):
+def cmd_ssh(verbose, user, host):
     setup_logging(verbose)
 
     subprocess.run([
@@ -16,5 +18,5 @@ def cmd_ssh(verbose):
         'UserKnownHostsFile=/dev/null',
         '-o',
         'StrictHostKeyChecking=no',
-        'kupfer@172.16.42.1',
+        f'{user}@{host}',
     ])